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AV DIAGNOSIS SYSTEM (AV CONTROL UNIT) AV-25 < FUNCTION DIAGNOSIS > [BASE AUDIO WITHOUT NAVIGATION] C D E F G H I J K L M B A O P Vehicle CAN Diagnosis • CAN communication status and error counter is displayed. detected in the past and displays “0” if a malfunction is detected. It • The error counter is erased if reset. AV COMM Diagnosis Error item Description Possible malfunction factor/Action to take CAN COMM CIRCUIT CAN communication malfunction is detect- Perform diagnosis with CONSULT-III, and AV-26, "CONSULT - III Function CONTROL UNIT (CAN) CAN initial diagnosis malfunction is detect- Replace the AV control unit. CONTROL UNIT (AV) AV communication circuit initial diagnosis FLASH-ROM Error Of Control Unit AV control unit malfunction is detected. CAN Controller Memory Error Front Display Connection Error • Display unit power supply and ground circuit malfunction is detected. • Malfunction is detected in communica- tion circuit between AV control unit and • Malfunction is detected in communica- tion signal between AV control unit and • Display unit power supply and ground circuit. • Communication circuit between AV con- trol unit and display unit. SAT Connection Error • Satellite radio tuner power supply and ground circuit malfunction is detected. • Malfunction is detected in communica- tion circuit between AV control unit and • Malfunction is detected in communica- tion signal between AV control unit and • Malfunction is detected in request signal circuit between AV control unit and satel- • Satellite radio tuner power supply and ground circuit. • Communication circuit between AV con- trol unit and satellite radio tuner. • Request signal circuit between AV con- trol unit and satellite radio tuner. • AV COMM CIRCUIT • Multifunction switch power supply and ground circuit malfunction is detected. • Malfunction is detected in AV communi- cation circuit between AV control unit and • Malfunction is detected in AV communi- cation signal between AV control unit and • Multifunction switch power supply and ground circuits. • AV communication circuit between AV control unit and multifunction switch. Items Display (Current) Malfunction counter (Past) Tx (HVAC) OK / UNKWN OK / 0 – 39 Rx (ECM) OK / UNKWN OK / 0 – 39 Rx (Cluster) OK / UNKWN OK / 0 – 39 Rx (BCM) OK / UNKWN OK / 0 – 39 Rx (HVAC) OK / UNKWN OK / 0 – 39 Rx (USM) OK / UNKWN OK / 0 – 39 JSNIA0080GB |